package com.sunedai.tiger.web.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.sunedai.tiger.dao.system.entity.EmpUsr;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/**
 * 后台用户登录拦截器
 * @author zhaolipeng
 */
public class EmpLoginInterceptor implements HandlerInterceptor{

  @Override
  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
    HttpSession session = request.getSession(true);
    EmpUsr empUsr = (EmpUsr) session.getAttribute("loginUsr");
    if (empUsr == null){
      response.sendRedirect(request.getContextPath() + "/emp/login");
      return false;
    }
    return true;
  }

  @Override
  public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
    request.setAttribute("menuIndex", request.getParameter("menuIndex"));
  }

  @Override
  public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

  }
}
